diff --git a/cwl-workflows/requirements.txt b/cwl-workflows/requirements.txt
index 8501fa8e7..6924f30d2 100644
--- a/cwl-workflows/requirements.txt
+++ b/cwl-workflows/requirements.txt
@@ -1,3 +1,3 @@
-requests==2.13.0
+requests==2.31.0
 six==1.10.0
 thrift==0.10.0